Allow CoreFoundation to declare CGFloat

[salinas-miguel]

Resolves rdar://83517290

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@swift-ci please test

[swift-ci]

Build failed
Swift Test Linux Platform
Git Sha - e6b67911264ae74a35e654d850e8894e79349e93

[salinas-miguel]

Not sure what the Linux failure is but I was significantly behind main so I rebased. Hopefully that fixes the failure.

[xedin]

@swift-ci please test

[swift-ci]

Build failed
Swift Test Linux Platform
Git Sha - 055edaf

[salinas-miguel]

/home/buildnode/jenkins/workspace/swift-PR-Linux/branch-main/swift/test/Concurrency/Runtime/async_taskgroup_cancel_then_completions.swift:11:8: error: compiled module was created by an older version of the compiler; rebuild 'Dispatch' and try again: /home/buildnode/jenkins/workspace/swift-PR-Linux/branch-main/buildbot_linux/libdispatch-linux-x86_64/src/swift/swift/Dispatch.swiftmodule

I don't think this error from the Linux pipeline is related. Is it possible the CI bot has a stale version of libDispatch?

[xedin]

@swift-ci please test Linux platform

[xedin]

@swift-ci please test Windows platform